Merge tag 'v2.6.37' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / drivers / net / mlx4 / en_tx.c

diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 580968f304eb9d24f752e38fc368e64208700510..a680cd4a5ab66de803116ba69d7603f1919ceebe 100644 (file)
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -38,6 +38,7 @@
 #include <linux/skbuff.h>
 #include <linux/if_vlan.h>
 #include <linux/vmalloc.h>
+#include <linux/tcp.h>
 
 #include "mlx4_en.h"
 
@@ -582,7 +583,7 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb)
        /* If we support per priority flow control and the packet contains
         * a vlan tag, send the packet to the TX ring assigned to that priority
         */
-       if (priv->prof->rx_ppp && priv->vlgrp && vlan_tx_tag_present(skb)) {
+       if (priv->prof->rx_ppp && vlan_tx_tag_present(skb)) {
                vlan_tag = vlan_tx_tag_get(skb);
                return MLX4_EN_NUM_TX_RINGS + (vlan_tag >> 13);
        }
@@ -600,6 +601,9 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
        struct mlx4_wqe_data_seg *data;
        struct skb_frag_struct *frag;
        struct mlx4_en_tx_info *tx_info;
+       struct ethhdr *ethh;
+       u64 mac;
+       u32 mac_l, mac_h;
        int tx_ind = 0;
        int nr_txbb;
        int desc_size;
@@ -612,6 +616,9 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
        int lso_header_size;
        void *fragptr;
 
+       if (!priv->port_up)
+               goto tx_drop;
+
        real_size = get_real_size(skb, dev, &lso_header_size);
        if (unlikely(!real_size))
                goto tx_drop;
@@ -627,7 +634,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 
        tx_ind = skb->queue_mapping;
        ring = &priv->tx_ring[tx_ind];
-       if (priv->vlgrp && vlan_tx_tag_present(skb))
+       if (vlan_tx_tag_present(skb))
                vlan_tag = vlan_tx_tag_get(skb);
 
        /* Check available TXBBs And 2K spare for prefetch */
@@ -676,6 +683,19 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
                priv->port_stats.tx_chksum_offload++;
        }
 
+       if (unlikely(priv->validate_loopback)) {
+               /* Copy dst mac address to wqe */
+               skb_reset_mac_header(skb);
+               ethh = eth_hdr(skb);
+               if (ethh && ethh->h_dest) {
+                       mac = mlx4_en_mac_to_u64(ethh->h_dest);
+                       mac_h = (u32) ((mac & 0xffff00000000ULL) >> 16);
+                       mac_l = (u32) (mac & 0xffffffff);
+                       tx_desc->ctrl.srcrb_flags |= cpu_to_be32(mac_h);
+                       tx_desc->ctrl.imm = cpu_to_be32(mac_l);
+               }
+       }
+
        /* Handle LSO (TSO) packets */
        if (lso_header_size) {
                /* Mark opcode as LSO */